| plug No | Purpose of the plug |
| 14-pin connector | |
| 1 | "+" of digital or analog watches |
| 2 | "-" of the pointer clock and control lamps |
| 3 | "+" of the hazard warning light |
| 4 | "+" high beam indicator lamp |
| 5 | "+" of the rear fog light indicator lamp |
| 6 | "+" of the rear window heating control lamp |
| 7 | "+" of the direction indicator lamp |
| 8 | "-" direction indicator lamp |
| 9 | "-" control lamp for turning on the diesel heater |
| 10 | "+" control lamps No.2, 3, 4, 5, 6 and on-board network |
| 11 | "-" of instrument lighting lamps and instrument lighting switch |
| 12 | "+" of the instrument lighting switch |
| 13 | "-" of the seat belt warning light |
| 14 | "-" fuel level indicator |
| 12-pin connector | |
| 1 | "+" of the coolant temperature gauge and indicator |
| 2 | "-" Low coolant temperature indicator lamp |
| 3 | Connected to a Na 10 plug |
| 4 | "-" parking brake system and brake lining wear indicator lamp |
| 5 | "-" low battery indicator lamp |
| 6 | "-" oil pressure warning light |
| 7 | "+" trailer direction indicator lamp |
| I | "-" gear indicator |
| 9 | "-" coolant temperature warning lamp |
| 10 | "-" brake fluid level indicator light |
| 11 | Spare |
| 12 | Tachometer terminal "1" |